from langchain_core.pydantic_v1 import BaseModel, Field
from typing import List
from datetime import datetime


class Enhancement(BaseModel):
    """Release Enhancement Pydantic Schema"""

    title: str = Field(description="Provide enhancement title")
    description: str = Field(description="Provide enhancement description")
    benefits: str = Field(description="The benefit or impact on the user or system as a result of the enhancement")
    reason: str = Field(description="The reason for implementing the change.")

class ReleaseNotes(BaseModel):
    """Release Notes Pydantic Schema"""

    release_date: str = Field(description="Provide release date",default=datetime.now().strftime('%d-%b-%Y').upper(), const=True)
    product_name: str = Field(description="Provide product name",default="Oracle Banking Retail Lending", const=True)
    summary: str = Field(description="A brief introduction highlighting the key focus of this release")
    enhancements: List[Enhancement] = Field(description="List of enhancements in this release")